pope benedict xvi stepping down after nearly eight years as pontiff after unexpectedly announcing his resignation on february 11th for health reasons. you can see him walking down the hall here. he's expected to depart vatican city by helicopter heading to castel gandolfo where he will take up temporary residence until his new residence outside of vatican city is complete. once he steps into the castel gandolfo, the doors will closed and it is complete. >> thousands of people stormed into st. peter's square to watch this happen. they put big screen televisions inside the vatican grounds for the public to watch what is happening. it's hard to get a vantage point of the scale if you've never been there but isn't that just an amazing thing to watch? >> and historic are, given that we haven't seen anything like this in 600 years, right? >> i wasn't there but obviously you were, david. eagerly checking the stocks. >> yes, i was. >> interesting this morning, cardinal dolan of new york was asked if he stands a good chance of taking his place. he said, about as good a chance as a-rod has. obv